A scored 50% marks and failed by 60 marks whereas B scored 80% marks, which was 90 more than the passing marks of the examination. Find the total marks of the examination.
Let the total available marks in the examination be 100x. Marks scored by A = 50% of 100x = 50x Marks scored by B = 80% of 100x = 80x According to question, => 50x + 60 = 80x – 90 => 30x = 150 => x = 5 Total marks of the examination = 100x = 500
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